Global Patent Index - EP 2642150 A1

EP 2642150 A1 2013-09-25 - Friction material

Title (en)

Friction material

Title (de)

Reibungsmaterial

Title (fr)

Matériau de friction

Publication

EP 2642150 A1 (EN)

Application

EP 13160524 A

Priority

  • JP 2012067974 A
  • JP 2012199752 A

Abstract (en)

A friction material containing, as a binder, a lignin-phenol resin having a weight average molecular weight of 5,000 or less or a cardanol-modified lignin-phenol resin having a weight average molecular weight of 5,000 or less. The friction material is produced by a method including: reacting a lignin having a weight average molecular weight of 5,000 or less, a phenol, an aldehyde, and optionally a cardanol, in the presence of an acid catalyst.

IPC 8 full level (invention and additional information)

F16D 69/02 (2006.01)

CPC (invention and additional information)

F16D 69/025 (2013.01); C08H 6/00 (2013.01); C08L 97/005 (2013.01); F16D 69/026 (2013.01)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

EPO simple patent family

EP 2642150 A1 20130925; CN 103320090 A 20130925; CN 103320090 B 20160120; EP 3242052 A1 20171108; US 2013253177 A1 20130926; US 9534650 B2 20170103

INPADOC legal status


2014-08-20 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20140716

2014-05-07 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20140324

2014-05-07 [RBV] DESIGNATED CONTRACTING STATES (CORRECTION):

- Designated State(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

2013-09-25 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

2013-09-25 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Countries: BA ME